Laboratorio de Marconi-Yate Elettra-Centenario del Nacimiento 1874-1974
Caution
This fully reproduced in this stamp in other electronic or printed without the express permission of the owner.
If you are interested contact the owner Stamp: Herman Cudris Castañeda
Descripción / observaciones
Guillermo Marconi, Ingeniero electrónico de nacionalidad Italiana (1874-1937)
